Write Pulse

{
  "public": {
    "Sr25519": "0x0addb25b0d4e9de244b714f767f5a052ff4c2e94375cd38fb23c319771e29a28"
  },
  "pulses": [
    {
      "round": "25,546,620",
      "signature": "0x997fba395f97abdb8cd487ebd15cce55d3b44be3137a01b57caee6216df515f0d701b9278dfeb1911f3570b3ceaf8d81",
      "randomness": "0xa06de56e530a340167becf1e24334026355758244c8a8dc4a26d5082457a1523"
    }
  ],
  "blockNumber": "7,406,990"
}

{
  "Sr25519": "0x680beff5ee9f980afe359086fefbb364f8110817751d779168e5fe0c742a956812d62b8ffb89814693b2fd9043305480be0b93250e7c3477686b526ac78ed384"
}